What is observed during the depression of freezing point?
- AThe vapor pressure of the solution is higher than that of the pure solvent.
- BThe vapor pressure of the solution is equal to that of the pure solvent.
- COnly solute molecules solidify at the freezing point.
- DOnly solvent molecules solidify at the freezing point.
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Similar Questions
The maximum freezing point depression constant $(K_f)$ is observed for which of the following solvents?
Easy
View Solution$2.0 \ g$ of a non-electrolyte dissolved in $100 \ g$ of benzene lowers the freezing point of benzene by $1.2 \ K$. The freezing point depression constant of benzene is $5.12 \ K \ kg \ mol^{-1}$. The molar mass of the solute is:
Arrange the following solutions in order of decreasing freezing points:
$(a) \ 0.075 \ M \ CuSO_4$ $(b) \ 0.060 \ M \ (NH_4)_2SO_4$
$(c) \ 0.14 \ M \ \text{urea}$ $(d) \ 0.04 \ M \ MgCl_2$
$(a) \ 0.075 \ M \ CuSO_4$ $(b) \ 0.060 \ M \ (NH_4)_2SO_4$
$(c) \ 0.14 \ M \ \text{urea}$ $(d) \ 0.04 \ M \ MgCl_2$
Difficult
View SolutionCalculate the mass of ascorbic acid ($Vitamin \ C$,$C_6H_8O_6$) to be dissolved in $75 \ g$ of acetic acid to lower its melting point by $1.5^{\circ} C$. $\left[K_f = 3 \ K \ kg \ mol^{-1}\right]$ (in $g$)
Medium
View Solution$A$ solution containing $8.0 \, g$ of nicotine in $92 \, g$ of water freezes $0.925 \, ^{\circ}C$ below the normal freezing point of water. If the molal freezing point depression constant,$k_f = 1.85 \, ^{\circ}C \, kg \, mol^{-1}$,then the molar mass of nicotine is $...$
DifficultKVPY 2010
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